#trapped surfaces

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2 papers · 1 filter

hep-th2026

Dirichlet walls and the end of time

Hanako Helton, Gary T. Horowitz, Donald Marolf

The paper investigates how imposing Dirichlet boundary conditions on a finite surface in Einstein-Hilbert gravity can cause evolutions to end in finite time due to singularities re…

gr-qc2026

Formation of Trapped Surfaces from Spacelike Initial Data

Xuantao Chen, Sergiu Klainerman

The paper constructs specific short‑pulse spacelike initial data for Einstein’s equations and shows how these data can be extended to asymptotically flat Cauchy data, leading to th…